Unfortunately the suits of the cards on the board didn't show up, so this is going to make the evaluation uncertain, since I can't read the board.
I would suggest you to read THIS thread and convert your hand with a hand converter.

Also, from what can I see now, you aren't playing full-stacked which is a mistake - you should have at least 100bb in the beginning of every hand.

When you convert the hand, you can post it here and press the "Advice the judge to have a second look" button so I'll come back and review it.

Well, 7bb are likely to make a significant difference in the long term.

Is this your standard sizing from CO here?

As played, you should bet $0.4 on the flop. Would you bet $0.3 with A2 for example?
When he raises I would call here as well and plan to call down.

I don't like the idea of check/raising but if you think he only reps KK+, 9x why are you calling then? I doubt that he has KK+ here, he could has 9x but considering our flop bet he might be raising Qx for value here.

As played, if we go for a donk on the river, why do we bet 4bb? I would usually check/call here.